Chemistry, asked by poojaverma4917, 1 year ago

Working principle of disappearing filament type optical pyrometer

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Answered by Anonymous

The disappearing-filament pyrometer is anoptical pyrometer, in which the temperature of a glowing incandescent object is measured by comparing it to the light of a heated filament. ... A thin wire (filament), placed at the focal plane of the objective lens, is heated by electric current.

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